Mathematics, 08.06.2021 19:20 angeline2004
In a class of 25 students, 13 have a brother and 9 have a sister. There are 7 students who do not have any siblings. What is the probability that a student chosen randomly from the class has a brother and a sister?
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In a class of 25 students, 13 have a brother and 9 have a sister. There are 7 students who do not ha...
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